خطای برنامه

Method categories not found in controller SitemapController

#0 /var/www/bilgix.click/index.php(305): executeController('SitemapControll...', 'categories', Array, Object(Core\Application), Object(PDO))
#1 /var/www/bilgix.click/index.php(429): handleRouting('sitemap-categor...', Object(Core\Application), Object(PDO))
#2 {main}